According to the requirements of the Circular of the Provincial Bureau of Work Safety on Issuing the "Measures for Administration of Review of Class-II Enterprises of Standardization in Work Safety in Jiangsu Province (for trial implementation)", and the relevant regulations such as the General Norms for Safety Standardization of Hazardous Chemical Enterprises (AQ3013-2008), as reviewed and announced by Jiangsu Provincial Association of Work Safety, Dongjue Silicone (Nanjing) Co., Ltd. is a Class-II enterprise of standardization in work safety, valid from April 29, 2019 to April 28, 2022.